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Condensed Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Cash Flows From Operating Activities
Net income	$ 1,962,460	$ 2,852,886
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	358,660	469,784
Amortization of finite-life intangible assets	98,785	90,863
Share-based compensation expense	755,999	676,558
Deferred income taxes	102,000	27,000
Loss on disposal of property and equipment		1,294
Changes in operating assets and liabilities:
Accounts receivable	(3,295,984)	(530,360)
Contract assets	345,088	(150,995)
Inventories	838,747	(13,852)
Prepaid expenses and other assets	(68,616)	50,329
Income tax receivable	8,264	(409,064)
Income tax payable		(288,511)
Accounts payable and accrued liabilities	1,219,429	136,361
Net cash provided by operating activities	2,324,832	2,912,293
Cash Flows From Investing Activities
Expenditures for property and equipment	(105,472)	(752,875)
Expenditures for finite-life intangible assets	(102,659)	(97,460)
Net cash used in investing activities	(208,131)	(850,335)
Cash Flows From Financing Activities
Issuance of common stock upon exercise of options	45,669	63,423
Taxes paid on net share settlement of stock option exercises	(140,832)
Net cash (used in) provided by financing activities	(95,163)	63,423
Net increase in cash	2,021,538	2,125,381
Cash
Beginning of period	10,479,150	7,807,928
End of period	$ 12,500,688	$ 9,933,309

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